/* HUD tecnico ispirato al blocco Team di ACM Lighting (lux.css: .lx-team). */
:root {
  --bg: #040404;
  --fg: #f2f3f1;
  --muted: #8a8e8b;
  --line: rgb(242 243 241 / 0.14);
  --line-strong: rgb(242 243 241 / 0.55);
  --accent: #ff4a22;
  --display: 'Archivo', system-ui, sans-serif;
  --sans: 'Inter', system-ui, sans-serif;
  --mono-font: 'JetBrains Mono', ui-monospace, monospace;
  --gutter: clamp(1rem, 3vw, 2.5rem);
  --hud-delay: 2.8s;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --top: clamp(3.5rem, 9vh, 6rem); /* senza la fascia in alto, nome e titolo salgono nell'angolo */
  --head: calc(var(--top) + clamp(2.5rem, 5vw, 4.5rem));
  --bottom: 5.5rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-weight: 300;
  -webkit-font-smoothing: antialiased;
}
body.is-locked { overflow: hidden; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
p { margin: 0; }
.mono { font-family: var(--mono-font); font-size: 0.62rem; font-weight: 400; letter-spacing: 0.1em; text-transform: uppercase; }

/* ---------- Ingresso ---------- */

.gate {
  position: fixed; inset: 0; z-index: 10; isolation: isolate;
  display: grid; place-content: center; justify-items: center; gap: 2rem;
  padding: var(--gutter); text-align: center; background: var(--bg);
  transition: background-color 1.1s var(--ease), opacity 0.6s var(--ease), visibility 0.6s;
}
.gate > :not(.gate__photo) { transition: opacity 0.6s var(--ease), transform 0.9s var(--ease), filter 0.7s var(--ease); }
.gate.is-gone { opacity: 0; visibility: hidden; pointer-events: none; }

/* Foto vera allineata al ritratto di particelle (--x, --y, --size da main.js) */
.gate__photo {
  position: fixed; z-index: -1; left: var(--x, 50%); top: var(--y, 0); width: var(--size, 100vh); height: var(--size, 100vh);
  max-width: none; user-select: none; pointer-events: none;
  /* bordi sfumati: il riquadro della foto non si vede sopra la scena */
  -webkit-mask-image: radial-gradient(farthest-side at 50% 45%, #000 60%, transparent 100%);
  mask-image: radial-gradient(farthest-side at 50% 45%, #000 60%, transparent 100%);
  opacity: 0; filter: blur(18px) brightness(0.6); transform: scale(1.04);
  transition: opacity 1.6s var(--ease), filter 1.1s var(--ease), transform 1.6s var(--ease);
}
.gate__photo.is-ready { opacity: 0.75; }

/* Ingresso, in sequenza (tempi in main.js):
   .is-entering  il nome si codifica e sparisce (unscramble in main.js), poi i pulsanti, poi lo stato
   .is-gone      il cancello sfuma sulla stessa foto, identica, nella scena: da lì va a fuoco piano
                 mentre arrivano i punti (scene.js, INTRO) */
.gate__title span { display: inline-block; white-space: pre; text-align: center; }
.gate.is-entering .gate__actions > *, .gate.is-entering .gate__status { opacity: 0; transform: translateY(0.5rem); filter: blur(4px); }
.gate.is-entering .gate__enter { transition: opacity 0.4s var(--ease) 0.12s, transform 0.7s var(--ease) 0.12s, filter 0.4s var(--ease) 0.12s; }
.gate.is-entering .gate__silent { transition: opacity 0.4s var(--ease) 0.18s, transform 0.7s var(--ease) 0.18s, filter 0.4s var(--ease) 0.18s; }
.gate.is-entering .gate__status { transition-delay: 0.22s; }
.gate__status { color: var(--muted); }
.gate__title { margin: 0; font: 700 clamp(2rem, 5vw, 4.5rem) / 1 var(--display); font-stretch: 125%; letter-spacing: -0.02em; }
.gate__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; }
.gate__enter, .gate__silent {
  height: 2.6rem; padding: 0 1.3rem; border-radius: 999px;
  border: 1px solid var(--line-strong);
  transition: background-color 0.5s var(--ease), color 0.5s var(--ease), opacity 0.5s;
}
.gate__enter { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.gate__silent:hover, .gate__silent:focus-visible { background: var(--fg); color: var(--bg); outline: none; }
.gate__enter:hover, .gate__enter:focus-visible { background: var(--accent); border-color: var(--accent); color: var(--fg); outline: none; }
.gate:not(.is-entering) button:disabled { opacity: 0.3; cursor: progress; }

/* ---------- Intro ---------- */

.intro { position: relative; height: 3606svh; } /* sovrascritta da main.js: somma di SEG */
.stage { position: sticky; top: 0; height: 100svh; min-height: 34rem; overflow: hidden; isolation: isolate; }
.webgl { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: 0; }
.stage::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse 75% 70% at 50% 48%, transparent 55%, rgb(4 4 4 / 0.8) 100%);
}

.hud { position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0; }
.is-in .hud { opacity: 1; }
/* Entrata dell'HUD: gli elementi arrivano uno dopo l'altro quando i punti hanno quasi composto il viso
   (--hud-delay = INTRO.rest in scene.js).
   Senza "to": ognuno finisce sulla propria opacità (alcuni sono a 0.6–0.8) */
@keyframes hud-in { from { opacity: 0; translate: 0 0.6rem; filter: blur(6px); } }
@keyframes hud-draw { from { clip-path: inset(0 100% 0 0); } }
.is-in .hud > :is(.hud__index, .hud__dots, .hud__name, .hud__title, .hud__text, .hud__readout, .hud__progress, .hud__audio),
.is-in .hud__crosses > i {
  animation: hud-in 1.1s var(--ease) backwards;
  animation-delay: calc(var(--hud-delay) + var(--in, 0) * 60ms);
}
.is-in .hud__ticks { animation: hud-draw 1.2s var(--ease) backwards; animation-delay: calc(var(--hud-delay) + var(--in, 0) * 60ms); }
.hud__ticks--top { --in: 0; } .hud__ticks--bottom { --in: 1; }
.hud__index { --in: 1; } .hud__dots { --in: 2; }
.hud__name { --in: 3; } .hud__title { --in: 4; } .hud__text { --in: 7; }
.hud__crosses > i:nth-child(1) { --in: 8; } .hud__crosses > i:nth-child(2) { --in: 8.5; } .hud__crosses > i:nth-child(3) { --in: 9; }
.hud__crosses > i:nth-child(4) { --in: 9.5; } .hud__crosses > i:nth-child(5) { --in: 10; }
.hud__readout { --in: 10; } .hud__progress { --in: 11; } .hud__audio { --in: 12; }
.hud > * { position: absolute; }

/* in alto a destra, sulla riga del nome (.hud__name): stessa quota, stessa altezza, centrato in verticale */
.hud__index {
  top: var(--gutter); right: var(--gutter); height: clamp(0.95rem, 0.85rem + 0.3vw, 1.15rem);
  display: flex; align-items: center; gap: 2.6em; opacity: 0.8;
}

.hud__ticks {
  left: 31%; width: 13%; height: 0.95rem; color: var(--fg); opacity: 0.75;
  background:
    repeating-linear-gradient(90deg, currentColor 0 1px, transparent 1px 10%) 0 50% / calc(100% + 1px) 38% no-repeat,
    linear-gradient(currentColor, currentColor) 0 0 / 2px 100% no-repeat,
    linear-gradient(currentColor, currentColor) 50% 0 / 2px 100% no-repeat,
    linear-gradient(currentColor, currentColor) 100% 0 / 2px 100% no-repeat;
}
.hud__ticks--top { top: var(--head); }
.hud__ticks--bottom { bottom: var(--bottom); }
.hud__dots {
  top: var(--head); right: 29%; width: 8.4rem; height: 1.2rem; opacity: 0.6;
  background: radial-gradient(circle, var(--fg) 0.9px, transparent 1.3px) 0 0 / 0.7rem 0.4rem;
}

.hud__title {
  top: var(--head); left: var(--gutter); margin: 0;
  font: 700 clamp(2rem, 3.3vw, 4rem) / 1 var(--display); font-stretch: 125%; letter-spacing: -0.02em;
}

.hud__crosses { top: 50%; left: var(--gutter); right: var(--gutter); display: flex; justify-content: space-between; }
.hud__crosses i {
  width: 1.15rem; height: 1.15rem; margin: -0.575rem; opacity: 0.7;
  background: linear-gradient(var(--fg), var(--fg)) center / 100% 1px no-repeat, linear-gradient(var(--fg), var(--fg)) center / 1px 100% no-repeat;
}

/* nome e ruolo come logo, nell'angolo in alto a sinistra */
.hud__name {
  top: var(--gutter); left: var(--gutter); height: clamp(0.95rem, 0.85rem + 0.3vw, 1.15rem);
  display: flex; align-items: center; gap: 0.7rem;
}
.hud__name span { color: var(--muted); }
.hud__name i { flex: none; width: 0.6rem; height: 0.6rem; background: radial-gradient(circle, currentColor 1.6px, transparent 2px) 0 0 / 0.3rem 0.3rem; }

.hud__text {
  top: calc(var(--head) + clamp(2rem, 3.3vw, 4rem) + 1.4rem); left: var(--gutter); width: min(25rem, 28vw);
  font-size: clamp(0.95rem, 0.85rem + 0.3vw, 1.12rem); line-height: 1.4; text-wrap: pretty;
  transition: opacity 0.5s var(--ease);
}
.hud__text.is-out { opacity: 0; }

/* riquadro in basso al centro: capitolo e coordinate (come il "dock" di ACM) */
.hud__readout {
  left: 50%; bottom: 1.4rem; transform: translateX(-50%);
  display: grid; gap: 0.7rem; min-width: 13rem; padding: 0.9rem 1rem;
  border: 1px solid var(--line); background: rgb(4 4 4 / 0.6);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.hud__accent { color: var(--accent); }
.hud__coords { display: flex; color: var(--muted); font-variant-numeric: tabular-nums; }
/* spazio tra i valori solo se il valore c'è (main.js: is-empty), così non restano buchi in fondo */
.hud__coords > * + * { margin-left: 0.9rem; transition: margin-left 0.6s var(--ease); }
.hud__coords > .is-empty { margin-left: 0; }

/* ticker.js: una cella per carattere, il glifo scorre in verticale dentro la cella */
.ticker { display: inline-flex; vertical-align: top; }
.tk {
  position: relative; display: inline-block; overflow: hidden;
  width: calc(1ch + 0.1em); height: 1.5em; line-height: 1.5em;
  transition: width 0.6s var(--ease);
}
.tk.is-gone { width: 0; }
.tk__g { position: absolute; left: 0; top: 0; letter-spacing: 0; will-change: transform, opacity; }

.hud__audio, .hud__progress {
  left: var(--gutter); bottom: 1.6rem; pointer-events: auto;
  display: grid; grid-template-columns: 1fr auto; row-gap: 0.55rem; width: 8.5rem; text-align: left;
}
.hud__audio b, .hud__progress b { font-weight: 400; }
/* righe alte come le celle del contatore (ticker.js): etichetta, numeri e % restano allineati, audio compreso */
.hud__audio, .hud__progress { line-height: 1.5; }
.hud__audio[aria-pressed='true'] b { color: var(--accent); }
/* forma d'onda di audio e avanzamento (wave.js): una riga di testo sotto l'etichetta, il canvas sborda sopra e sotto per l'ampiezza */
.hud__wave { grid-column: 1 / -1; position: relative; height: 0.85rem; }
.hud__wave canvas { position: absolute; left: 0; top: -0.45rem; width: 100%; height: calc(100% + 1.1rem); }

/* avanzamento: stessa onda dell'audio, in basso a destra, con la cresta sulla posizione nello scroll */
.hud__progress { left: auto; right: var(--gutter); pointer-events: none; }
.hud__progress b { font-variant-numeric: tabular-nums; }
/* l'onda dell'avanzamento sale più in alto: canvas più alto, con la riga di base sempre al fondo della riga */
.hud__progress .hud__wave canvas { top: -1.4rem; height: calc(100% + 3.65rem); }

/* segnaposto sul Garda */
.pin { left: 0; top: 0; opacity: 0; transition: opacity 0.8s var(--ease); will-change: transform; }
.pin.is-on { opacity: 1; }
.pin__dot {
  position: absolute; left: -5px; top: -5px; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px rgb(255 74 34 / 0.2), 0 0 24px 4px rgb(255 74 34 / 0.5);
}
.pin__dot::after {
  content: ""; position: absolute; inset: -14px; border: 1px solid var(--accent); border-radius: 50%;
  animation: ping 2.4s var(--ease) infinite;
}
@keyframes ping { from { transform: scale(0.3); opacity: 1; } to { transform: scale(1.6); opacity: 0; } }
.pin__label {
  position: absolute; left: 1.6rem; top: -0.6rem; display: grid; gap: 0.4rem; white-space: nowrap;
  padding-left: 0.9rem; border-left: 1px solid var(--line-strong);
  opacity: 0; transform: translateX(-0.5rem); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.pin.is-near .pin__label { opacity: 1; transform: none; }
.pin__label b { font-weight: 400; color: var(--fg); }
.pin__label span { color: var(--muted); }

/* ---------- Timeline dei progetti ---------- */

.hud__text, .hud__title { transition: opacity 0.8s var(--ease); }
.is-work .hud__ticks, .is-work .hud__dots, .is-work .hud__crosses, .is-work .hud__text, .is-work .hud__title, .is-work .pin { opacity: 0; }

.work { inset: 0; }
.is-screen-hover .stage { cursor: pointer; }
.proj {
  position: absolute; left: 0; top: 0; width: min(22rem, 29vw);
  display: grid; gap: 1.1rem; will-change: transform;
  visibility: hidden; transition: visibility 0s 0.9s;
}
.proj.is-on { visibility: visible; transition-delay: 0s; }
.proj > *, .proj__meta > div {
  opacity: 0; transform: translateY(0.9rem); filter: blur(8px);
  transition: opacity 0.6s var(--ease), transform 0.9s var(--ease), filter 0.7s var(--ease);
}
.proj.is-on > *, .proj.is-on .proj__meta > div {
  opacity: 1; transform: none; filter: none;
  transition-delay: calc(var(--i, 0) * 80ms + 120ms);
}
.proj[data-side='left'] { text-align: right; justify-items: end; }

.proj__index { display: flex; align-items: center; gap: 0.9rem; color: var(--muted); }
.proj__index::after { content: ""; width: 3.5rem; height: 1px; background: var(--line-strong); }
.proj[data-side='left'] .proj__index::after { order: -1; }

.proj__title {
  margin: 0; font: 700 clamp(1.7rem, 2.9vw, 3.1rem) / 0.95 var(--display); font-stretch: 125%;
  letter-spacing: -0.01em; text-transform: uppercase; text-wrap: balance;
}
.proj__word { white-space: nowrap; }
.proj__ch { position: relative; }
.proj__ch.is-x { -webkit-text-fill-color: transparent; }
.proj__ch.is-x::after {
  content: attr(data-s); position: absolute; left: 50%; top: 0; transform: translateX(-50%);
  -webkit-text-fill-color: currentColor;
}
.proj__credit { margin: -0.4rem 0 0; color: var(--muted); }
.proj--stop .proj__title { font-size: clamp(2.2rem, 4vw, 4.2rem); }

.proj__meta { margin: 0.4rem 0 0; display: grid; gap: 1rem; }
.proj__meta dt { color: var(--fg); }
.proj__meta dd { margin: 0.4rem 0 0; color: var(--muted); font-size: 0.92rem; line-height: 1.4; }
.proj__meta a {
  pointer-events: auto; color: var(--fg); text-decoration: none;
  border-bottom: 1px solid var(--line-strong); transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.proj__meta a:hover, .proj__meta a:focus-visible { color: var(--accent); border-color: var(--accent); outline: none; }
.proj__link::after { content: " \2197"; }
.proj__quote { max-width: 18rem; color: var(--muted); font-size: 1rem; line-height: 1.45; }

/* ---------- Gioco ---------- */

/* tuffo nel lago: passaggio dalla mappa al mondo 3D */
.dip { position: absolute; inset: 0; z-index: 0; background: var(--bg); opacity: 0; pointer-events: none; }

.hud__ticks, .hud__dots, .hud__crosses, .hud__index { transition: opacity 0.8s var(--ease); }
.is-game .hud__ticks, .is-game .hud__dots, .is-game .hud__crosses, .is-game .pin { opacity: 0; }

/* fine della timeline: la scritta sul tempo libero, al centro sul DNA che sfuma */
.free {
  left: 50%; top: 50%; transform: translate(-50%, -50%); text-align: center;
  display: grid; justify-items: center; gap: 1.2rem; width: min(44rem, 90vw);
  opacity: 0; filter: blur(10px); letter-spacing: 0.2em; visibility: hidden;
  transition: opacity 0.9s var(--ease), filter 1.2s var(--ease), letter-spacing 1.6s var(--ease), visibility 0.9s;
}
.free.is-on { filter: none; letter-spacing: 0; visibility: visible; }
.free__kicker { color: var(--accent); }
.free__title { font: 700 clamp(2.4rem, 6.4vw, 6.2rem) / 0.92 var(--display); font-stretch: 125%; letter-spacing: -0.03em; text-shadow: 0 0 40px var(--bg); }
.free__text { max-width: 26rem; color: var(--muted); font-size: 1rem; line-height: 1.45; }

.card {
  left: 50%; top: 50%; transform: translate(-50%, -50%); text-align: center;
  display: grid; justify-items: center; gap: 1rem;
  opacity: 0; filter: blur(10px); letter-spacing: 0.2em;
  transition: opacity 0.9s var(--ease), filter 0.9s var(--ease), letter-spacing 1.4s var(--ease);
}
.card.is-on { opacity: 1; filter: none; letter-spacing: 0; }
.card__level { color: var(--accent); }
.card__title { font: 700 clamp(3rem, 9vw, 8.5rem) / 0.9 var(--display); font-stretch: 125%; letter-spacing: -0.03em; }
.card__sub { color: var(--muted); }

/* trick: segue il rider sullo schermo */
.trick {
  left: 0; top: 0; display: grid; gap: 0.35rem; padding-left: 0.9rem;
  border-left: 1px solid var(--accent); opacity: 0; will-change: transform;
  transition: opacity 0.35s var(--ease);
}
.trick.is-on { opacity: 1; }
.trick__name { font: 700 clamp(1.1rem, 1.6vw, 1.6rem) / 1 var(--display); font-stretch: 125%; }
.trick__meta { color: var(--muted); }
.trick__pts { color: var(--accent); opacity: 0; transform: translateY(0.4rem); transition: opacity 0.4s var(--ease), transform 0.6s var(--ease); }
.trick.is-landed .trick__pts { opacity: 1; transform: none; }

.minimap {
  top: calc(var(--head) + 2.6rem); right: var(--gutter); margin: 0; width: 7.5rem;
  display: grid; gap: 0.6rem; opacity: 0; transition: opacity 0.8s var(--ease);
}
.is-game .minimap { opacity: 1; }
.minimap svg { width: 100%; height: auto; overflow: visible; }
.minimap path { fill: rgb(242 243 241 / 0.04); stroke: var(--line-strong); stroke-width: 0.8; vector-effect: non-scaling-stroke; }
.minimap circle { fill: var(--accent); filter: drop-shadow(0 0 4px var(--accent)); }
.minimap figcaption { display: grid; gap: 0.3rem; color: var(--muted); }

.end {
  left: 50%; top: 40%; transform: translate(-50%, -50%); text-align: center;
  display: grid; justify-items: center; gap: 1.4rem; width: min(40rem, 90vw);
  opacity: 0; visibility: hidden; transition: opacity 1.2s var(--ease), visibility 1.2s;
}
.end.is-on { opacity: 1; visibility: visible; pointer-events: auto; }
.end__kicker { color: var(--accent); }
.end__title { font: 700 clamp(2rem, 4.6vw, 4.4rem) / 1 var(--display); font-stretch: 125%; letter-spacing: -0.03em; }
.end__cta {
  display: inline-flex; align-items: center; height: 2.8rem; padding: 0 1.5rem; border-radius: 999px;
  background: var(--fg); color: var(--bg); text-decoration: none;
  transition: background-color 0.5s var(--ease), color 0.5s var(--ease);
}
.end__cta:hover, .end__cta:focus-visible { background: var(--accent); color: var(--fg); outline: none; }

.noscript { position: fixed; inset: 0; display: grid; place-items: center; }

@media (width < 64rem) {
  .hud__ticks, .hud__dots { display: none; }
  .hud__text { width: min(20rem, 38vw); }
}
@media (width < 48rem) {
  :root { --top: 5rem; }
  .hud__index { display: none; }
  .hud__text {
    top: calc(var(--head) + 3rem); right: var(--gutter);
    width: auto; max-width: 30rem; font-size: 0.9rem; color: var(--muted);
  }
  .hud__crosses { top: 58%; }
  /* niente sfocatura dietro: sopra una scena WebGL che cambia a ogni frame costa troppo sul telefono */
  .hud__readout {
    left: auto; right: var(--gutter); bottom: 3.9rem; transform: none; min-width: 0; padding: 0.7rem 0.8rem;
    background: rgb(4 4 4 / 0.82); -webkit-backdrop-filter: none; backdrop-filter: none;
  }
  .minimap { display: none; }
  .hud__coords [data-alt] { display: none; }
  .hud__audio { width: 6rem; }
  /* due decimali: serve un po' più di spazio */
  .hud__progress { width: 7.2rem; }
  .proj { width: calc(100vw - 3.5rem - var(--gutter)); gap: 0.8rem; }
  .proj__title { font-size: clamp(1.5rem, 7vw, 2.2rem); }
  .proj__meta { grid-template-columns: 1fr 1fr; gap: 0.8rem 1rem; }
  .proj__meta dd { font-size: 0.82rem; }
}

@media (prefers-reduced-motion: reduce) {
  .pin__dot::after { animation: none; }
  .is-in .hud > *, .is-in .hud__crosses > i { animation: none !important; }
  .gate *, .gate.is-entering * { transition-delay: 0s !important; }
}